Liquid-Liquid Equilibria for Acetone + Several Citrates Aqueous Two-Phase Systems at Different Temperatures

Shi Ping Hu; Juan Han; Yong Sheng Yan; Yu Tao Hu

doi:10.4028/www.scientific.net/AMR.549.30

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 549Liquid-Liquid Equilibria for Acetone + Several...

Liquid-Liquid Equilibria for Acetone + Several Citrates Aqueous Two-Phase Systems at Different Temperatures

Abstract:

Liquid-liquid equilibria for the three kinds of the ternary systems acetone + ammonium, sodium or potassium citrate + water have been determined at T= (273.15, 283.15, and 298.15) K. Binodal curves, tie-lines, and integrated phase diagrams for the ternary systems are given. The data of the experimental bimodal curve are described with a four-parameter equation. The result also shows the temperature has little influence on the liquid-liquid equilibrium within the investigated range. The tie-line data calculated according to the bimodal data fitting equation and the lever arm rule were satisfactorily described by using the Othmer-Tobias and Bancroft equations, and the result conform the reliability of the calculation method and corresponding tie-line data.

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Periodical:

Advanced Materials Research (Volume 549)

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30-35

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.549.30

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Online since:

July 2012

Authors:

Shi Ping Hu, Juan Han, Yong Sheng Yan, Yu Tao Hu

Keywords:

Acetone, Aqueous Two-Phase System, Liquid-Liquid Equilibria

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